I use a Microsoft keyboard at the desktop, because it's curved. For tablet, I cannot go back to flat like this. I use the Goldtouch Go!2, which is foldable and

I use a Microsoft keyboard at the desktop, because it's curved. For tablet, I cannot go back to flat like this. I use the Goldtouch Go!2, which is foldable and curved, and the Twiddler, which is handheld.